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    <title>RGraph: HTML5 canvas graph library - meter</title>
    <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
    <link rel="icon" type="image/png" href="/favicon.png">

    <script src="../libraries/RGraph.common.js" ></script>
    <script src="../libraries/RGraph.meter.js" ></script>
    <!--[if IE]><script src="../excanvas/excanvas.compressed.js"></script><![endif]-->

    <script>
        window.onload = function ()
        {
            var meter1 = new RGraph.Meter('meter1', 50, 100, 60);
            
            var grad1 = meter1.context.createRadialGradient(meter1.canvas.width / 2,meter1.canvas.height - 25,0,meter1.canvas.width / 2,meter1.canvas.height - 25,200);
            grad1.addColorStop(0, 'green');
            grad1.addColorStop(1, 'white');
            
            var grad2 = meter1.context.createRadialGradient(meter1.canvas.width / 2, meter1.canvas.height - 25,0,meter1.canvas.width / 2, meter1.canvas.height - 25,200);
            grad2.addColorStop(0, 'yellow');
            grad2.addColorStop(1, 'white');
            
            var grad3 = meter1.context.createRadialGradient(meter1.canvas.width / 2, meter1.canvas.height - 25,0,meter1.canvas.width / 2, meter1.canvas.height - 25,200);
            grad3.addColorStop(0, 'red');
            grad3.addColorStop(1, 'white');
            
            meter1.Set('chart.contextmenu', [['Zoom in', RGraph.Zoom], ['Show palette', RGraph.Showpalette], ['Clear annotations', function () {RGraph.Clear(meter1.canvas); meter1.Draw();}], null, ['Cancel', function () {}]]);
            meter1.Set('chart.annotatable', true);
            meter1.Set('chart.labels.position', 'inside');
            meter1.Set('chart.title', 'A sample measurement (annotatable, zoom)');
            meter1.Set('chart.title.vpos', 0.5);
            meter1.Set('chart.title.color', 'black');
            meter1.Set('chart.green.color', grad1);
            meter1.Set('chart.yellow.color', grad2);
            meter1.Set('chart.red.color', grad3);
            meter1.Set('chart.shadow', true);
            meter1.Set('chart.shadow.color', 'rgba(0,0,0,0.3)');
            meter1.Set('chart.shadow.offsetx', 3);
            meter1.Set('chart.shadow.offsety', 3);
            meter1.Set('chart.shadow.blur', 5);
            meter1.Set('chart.zoom.hdir', 'center');
            meter1.Set('chart.zoom.vdir', 'center');
            meter1.Draw();

            var meter2 = new RGraph.Meter('meter2', 0, 10, 5);
            meter2.Set('chart.units.post', 'k');
            meter2.Set('chart.red.start', 0);
            meter2.Set('chart.red.end', 3);
            meter2.Set('chart.yellow.start', 3);
            meter2.Set('chart.yellow.end', 6);
            meter2.Set('chart.green.start', 6);
            meter2.Set('chart.green.end', 10);
            meter2.Draw();

            var meter3 = new RGraph.Meter('meter3', 0, 50, 21);
            meter3.Set('chart.units.post', 'pt');
            meter3.Set('chart.red.start', 0);
            meter3.Set('chart.red.end', 10);
            meter3.Set('chart.yellow.start', 10);
            meter3.Set('chart.yellow.end', 20);
            meter3.Set('chart.green.start', 20);
            meter3.Set('chart.green.end', 50);
            meter3.Draw();
        }
    </script>
</head>
<body>

<h1>RGraph: HTML5 canvas graph library - Meter</h1>
    <script>
        if (document.all) {
            document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer does not natively support the HTML5 canvas tag yet, so if you want to see the graphs, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul></div>');
        }
    </script>


    <div id="breadcrumb">
        <a href="../index.html">RGraph: HTML5 canvas graph library</a>
        >
        <a href="./index.html">Examples</a>
        >
        Meter
    </div>
    
    <div>
        <p>
            The Meter is similar to the Odometer albeit only a semi-circle and not a full circle. It can be better when trying illustrate
            a particular level, but only have a limited amount of space. It could also be quite effective as part of a control panel.
        </p>
        
        <p></p>
    </div>

    <div>
        <ul>
            <li><a href="../docs/meter.html">Meter API documentation</a></li>
        </ul>
    </div>
    
    <div style="text-align: center">
        <canvas id="meter1" width="600" height="300"><div class="canvasfallback">[No canvas support]</div></canvas>
        <canvas id="meter2" width="600" height="300"><div class="canvasfallback">[No canvas support]</div></canvas>
        <canvas id="meter3" width="600" height="300"><div class="canvasfallback">[No canvas support]</div></canvas>
    </div>

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